R. E. Mulvey

Cardea Hubbard

Cardea Hubbard was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Ethol Strom

Ethol Strom was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.

M. E. Ober

M. E. Ober worked for the J.A. Jones Construction Company.

Ralph J. Coffey